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Multidetector CT of the kidney.
E M Coppenrath1, U G Mueller-Lisse
1Clinical Radiology, University of Munich, Ziemssenstr. 1, 80336, Munich, Germany. eva.coppenrath@med.uni-muenchen.de
European Radiology
|March 29, 2006
Summary
Multidetector CT (MDCT) enhances kidney imaging with thinner slices and faster scans, improving lesion detection. Careful protocol strategy is essential for optimal use in urology.
Area of Science:
- Radiology
- Medical Imaging
- Urology
Background:
- Technological advancements in multidetector CT (MDCT) have significantly improved kidney imaging capabilities.
- Enhanced spatial and contrast resolution are key benefits of modern MDCT scanners.
Purpose of the Study:
- To highlight the diagnostic advantages of MDCT for kidney imaging.
- To discuss the indications and potential risks associated with MDCT of the kidney.
Main Methods:
- Utilizing thinner slices for improved spatial resolution.
- Employing slice fusion for enhanced contrast resolution.
- Achieving isotropic voxels in 64-channel scanners for high-quality reconstructions.
Main Results:
- Isotropic voxels enable image quality comparable to the scan plane in arbitrarily reconstructed planes.
- Faster scanning facilitates differentiation of various contrast phases (arterial, nephrographic, excretory).
- Improved discrimination of benign and malignant renal lesions is possible.
Conclusions:
- MDCT is a valuable tool in urology for diagnosing conditions like kidney stones, tumors, trauma, and vascular diseases.
- Careful protocol strategy is mandatory to optimize diagnostic yield and manage radiation dose.
- Special indications for pediatric kidney CT include polytrauma and tumor staging.